Our customers frequently order systems with two hard drives to hold a RAID 1 volume mirroring the OS filesystems. This is done with Linux software RAID, and it’s important to periodically check the health of the drives. To do this, run cat /proc/mdstat. If all volume members are working properly, you should see [UU]. For […]
If you ever need to get your hard drive’s model and serial number without physically looking at it, you can do so with the hdparm command line utility. This is especially useful if a manufacturer requires the serial number for an RMA or any other servicing needs. In this example, we are retrieving the model […]
A serial console will allow you to send all text based output to one of the on-board serial ports. While this can be done using a physical serial port and an external terminal server, it’s more likely that Serial Over Lan (SOL) is used. SOL is provided by the IPMI (Intelligent Platform Mangement Interface) device […]
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